Friends:

Which are the 5 Abilities Leading to Awakening?

The Blessed Buddha once said:
Bhikkhus, there are these five mental abilities (indriya). What five?

The ability of Faith (saddhā)
The ability of Energy (viriya)
The ability of Awareness (sati)
The ability of Concentration (samādhi)
The ability of Understanding (pañña)

These are explained in detail here:

The Five Mental Abilities (indriya) in general:
http://What-Buddha-Said.net/drops/III/Analysis_of_the_Abilities.htm
http://What-Buddha-Said.net/drops/III/Fruits_of_the_Abilities.htm
http://What-Buddha-Said.net/drops/III/Final_Abilities.htm
http://What-Buddha-Said.net/drops/III/Finding_the_Abilities.htm

1: Faith (saddhā): The Initiating Key!
http://What-Buddha-Said.net/drops/III/The_Buddha_on_Faith.htm
http://What-Buddha-Said.net/drops/III/Going_Forth_Faith.htm
http://What-Buddha-Said.net/drops/III/Outstanding_Faith.htm
http://What-Buddha-Said.net/drops/III/Unwavering_Faith.htm
http://What-Buddha-Said.net/drops/III/Analysis_of_Faith.htm
http://What-Buddha-Said.net/drops/III/Power_of_Faith.htm
http://What-Buddha-Said.net/drops/III/Highest_Faith.htm
http://What-Buddha-Said.net/drops/III/Leaping_Faith.htm
http://What-Buddha-Said.net/drops/III/Fruitful_Faith.htm
http://What-Buddha-Said.net/drops/III/Mutual_Faith.htm
http://What-Buddha-Said.net/drops/III/Dual_Faith.htm
http://What-Buddha-Said.net/drops/III/Fine_Faith.htm
http://What-Buddha-Said.net/drops/III/Rich_Faith.htm
http://What-Buddha-Said.net/drops/III/Lay_Faith.htm
http://What-Buddha-Said.net/drops/III/Faith_Summary.htm

2: Energy (viriya): The Motor & Fuel!
http://What-Buddha-Said.net/drops/III/The_Definition_of_Energy.htm
http://What-Buddha-Said.net/drops/III/The_Arising_of_Energy.htm
http://What-Buddha-Said.net/drops/III/The_Ability_of_Energy.htm
http://What-Buddha-Said.net/drops/III/The_Origin_of_Energy.htm
http://What-Buddha-Said.net/drops/Enthusiastic_is_Energy.htm
http://What-Buddha-Said.net/drops/III/Power_of_Energy.htm
http://What-Buddha-Said.net/drops/III/Ballanced_Energy.htm
http://What-Buddha-Said.net/drops/III/Energetic_Effort.htm
http://What-Buddha-Said.net/drops/III/The_Chief_Hero.htm
http://What-Buddha-Said.net/drops/III/Avoiding_Effort.htm
http://What-Buddha-Said.net/drops/III/Feeding_Energy.htm
http://What-Buddha-Said.net/drops/III/Energy_Viriya.htm
http://What-Buddha-Said.net/drops/III/Dual_Energy.htm

3: Awareness (sati): The Light to See with!
http://What-Buddha-Said.net/drops/III/Four_Foundations_of_Awareness.htm
http://What-Buddha-Said.net/drops/III/Clear_and_Aware_Comprehension.htm
http://What-Buddha-Said.net/drops/II/Careful_and_Rational_Attention.htm
http://What-Buddha-Said.net/drops/III/The_Awareness_Ability.htm
http://What-Buddha-Said.net/drops/What_is_Right_Awareness.htm
http://What-Buddha-Said.net/drops/III/Awareness_Analysis.htm
http://What-Buddha-Said.net/drops/III/Feeding_Awareness.htm
http://What-Buddha-Said.net/drops/III/One_and_only_Way.htm
http://What-Buddha-Said.net/drops/III/Noble_Awareness.htm
http://What-Buddha-Said.net/drops/Clear_Comprehension.htm
http://What-Buddha-Said.net/drops/III/Awareness_Sati.htm
http://What-Buddha-Said.net/drops/Causes_of_sati.htm
http://What-Buddha-Said.net/drops/Sati_Studies.htm

4: Concentration (samādhi): The Focus to Drill & Catch with!
http://What-Buddha-Said.net/drops/Requisites_for_Jhāna_Absorption.htm
http://What-Buddha-Said.net/drops/III/The_Concentration_Ability.htm
http://What-Buddha-Said.net/drops/What_is_Right_Concentration.htm
http://What-Buddha-Said.net/drops/III/Concentration_Samadhi.htm
http://What-Buddha-Said.net/drops/III/Feeding_Concentration.htm
http://What-Buddha-Said.net/drops/Samma-Samadhi.htm

5: Understanding (pañña): The Resultant Aloof State!
http://What-Buddha-Said.net/drops/III/The_Understanding_Ability.htm
http://What-Buddha-Said.net/drops/III/Outstanding_Understanding.htm
http://What-Buddha-Said.net/drops/III/Revealing_Understanding.htm
http://What-Buddha-Said.net/drops/Understanding_is_the_Chief.htm
http://What-Buddha-Said.net/drops/III/Supreme_Understanding.htm
http://What-Buddha-Said.net/drops/III/Right_Understanding.htm
http://What-Buddha-Said.net/library/DPPN/wtb/n_r/pannaa.htm